diff --git a/.gitmodules b/.gitmodules
index f7dfc26..423f686 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
 [submodule "epess-database"]
 	path = epess-database
-	url = https://github.com/EPESS/epess-database
+	url = https://github.com/EPESS/epess-database.git